#!/usr/bin/env bash
# ============================================================================
#  fin-terminal installer
#  Installs the FIN financier's terminal into your home directory:
#      ~/.fin/            (engine, config, cache, journal)
#      ~/bin/mkt          (realtime TUI dashboard, when compatible)
#      ~/.bashrc          (one hook that sources ~/.fin/fin.sh)
#
#  Idempotent: safe to run again, never overwrites your worth.tsv / finrc.
#  Usage:  ./install.sh        (or)   bash install.sh
# ============================================================================

set -u

FIN_HOME="${FIN_HOME:-$HOME/.fin}"
SRC_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
WARN=0

cecho() { printf '\033[%sm%s\033[0m\n' "$@"; }
info()  { cecho "36" "[fin] $*"; }
good()  { cecho "32" "[fin] ✓ $*"; }
warn()  { cecho "33" "[fin] ! $*"; }
fail()  { cecho "31" "[fin] ✗ $*"; }

echo ""
info "FIN · financier's terminal installer"
info "install target: $FIN_HOME"

# --- 1. core files ----------------------------------------------------------
mkdir -p "$FIN_HOME/cache" "$FIN_HOME/journal" "$HOME/bin"
cp -f "$SRC_DIR/fin.sh" "$FIN_HOME/fin.sh"
cp -f "$SRC_DIR/completions.bash" "$FIN_HOME/completions.bash"
good "engine installed → $FIN_HOME/fin.sh"

if [ ! -f "$FIN_HOME/finrc" ]; then
  cp -f "$SRC_DIR/finrc" "$FIN_HOME/finrc"
  good "config created → $FIN_HOME/finrc (edit it to your taste)"
else
  warn "finrc already exists — leaving it untouched ($FIN_HOME/finrc)"
fi

if [ ! -f "$FIN_HOME/worth.tsv" ]; then
  cp -f "$SRC_DIR/worth.tsv" "$FIN_HOME/worth.tsv"
  good "sample net-worth ledger created → $FIN_HOME/worth.tsv"
else
  warn "worth.tsv already exists — leaving it untouched"
fi

# --- 2. TUI binary (mkt) ----------------------------------------------------
case "$(uname -s)-$(uname -m)" in
  Linux-x86_64|Linux-amd64)
    cp -f "$SRC_DIR/bin/mkt" "$HOME/bin/mkt"
    chmod +x "$HOME/bin/mkt"
    good "TUI dashboard installed → $HOME/bin/mkt"
    ;;
  *)
    WARN=$((WARN+1))
    warn "prebuilt 'mkt' TUI not available for $(uname -s)-$(uname -m);"
    warn "  'markets / tape / q / ma' still work without it (mkt/dash/ticker will not)"
    ;;
esac

# --- 3. ~/.bashrc hook ------------------------------------------------------
RC="$HOME/.bashrc"
if [ -f "$RC" ] && grep -q 'FINANCIER TERMINAL (fin)' "$RC" 2>/dev/null; then
  good "~/.bashrc already wired — nothing to do"
else
  if [ -f "$RC" ] && [ -s "$RC" ] && [ "$(tail -c1 "$RC" | wc -l)" -eq 0 ]; then
    printf '\n' >> "$RC"
  fi
  cat >> "$RC" <<EOF

# ===== FINANCIER TERMINAL (fin) =====
if [ -f "\$HOME/.fin/fin.sh" ]; then
    . "\$HOME/.fin/fin.sh"
fi
# ===== END FIN =====
EOF
  good "~/.bashrc hook added — open a new terminal or run: source ~/.bashrc"
fi

# --- 4. dependencies --------------------------------------------------------
for tool in curl jq; do
  if command -v "$tool" >/dev/null 2>&1; then
    info "dependency ok: $tool"
  else
    WARN=$((WARN+1))
    warn "missing dependency: $tool  (Debian/Ubuntu:  sudo apt install $tool)"
  fi
done

# --- 5. done -----------------------------------------------------------------
echo ""
good "FIN installed. Start it now:"
echo ""
printf '    \033[1msource ~/.bashrc\033[0m\n'
echo ""
printf '    \033[1mfin help\033[0m     the crash-course\n'
printf '    \033[1mma\033[0m / \033[1mmorocco\033[0m   the Casablanca board (MASI, dirham, movers)\n'
printf '    \033[1mmarkets\033[0m     indices · crypto · fx snapshot\n'
echo ""
exit 0